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Local Info
Critical Stages
9.5' - Action11' - FloodModerate FloodMajor Flood
Gulkana River - Gauge GRSA2
Sourdough, AK
Lat: 62.52N, Lon: 145.53W
 
Latest Observation
Updated: 9:15 AM AKST 11/13/25
Stage:6.96 ft
Flow:2.08 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

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